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LED lamp with combination heat dissipation structure

A technology of LED lamps and heat dissipation structures, which is applied to lampshades, lighting and heating equipment, components of lighting devices, etc., can solve the problems of cumbersome decoration design, unsightly appearance, uneven light output, etc., to ensure performance, safety, and saving. The effect of energy, resolving light output angle and output uniformity

Inactive Publication Date: 2009-12-23
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the luminous flux is increased, the volume of the heat dissipation part must be increased, resulting in bulky or unsightly decoration design, which is not suitable for daily home or office use; and the light output is uneven, the local light is too strong, and it is easy to damage the eyes, etc. Thus affecting the life and photoelectric performance of LED

Method used

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  • LED lamp with combination heat dissipation structure
  • LED lamp with combination heat dissipation structure
  • LED lamp with combination heat dissipation structure

Examples

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Effect test

no. 1 example

[0019] figure 1 is a cross-sectional view showing an LED lamp with a combined heat dissipation structure according to an embodiment of the present invention. Such as figure 1 As shown, according to the first embodiment, an LED lamp with a combined heat dissipation structure includes a glass bulb 1 , an LED chip 2 , a first base 3 , a second base 4 , a lamp cap (gold) 5 , and a connector 6 . The connecting piece 6 can be respectively connected with the second base 4 and the lamp cap 6 through internal and external threads. It should be noted that the present invention is not limited thereto, and the connecting member 6 can also be connected to the second base 4 and the lamp cap 6 in other ways. The connecting piece 6 is connected to the lower part of the second base 4 . In addition, the first base 3 is disposed on the lower portion of the second base 4 , and the heat dissipation fins of the first base 3 surround the lower portion of the second base 4 . That is to say, the o...

no. 2 example

[0030] Refer below figure 2An LED lamp with a combined heat dissipation structure according to a second embodiment of the present invention is described. In the LED lamp according to the second embodiment, components having the same functions and configurations as those of the LED lamp according to the first embodiment described above are denoted by the same reference numerals, and descriptions thereof are omitted here. The difference between the LED lamp of the second embodiment and the LED lamp of the above-mentioned first embodiment is that the LED chip base adopts a flat base instead of a pyramid-shaped inclined base.

[0031] Equally, the planar base of LED chip is preferably higher than the horizontal central axis of the spherical part of glass bulb 1 (as figure 2 shown by the dotted line). Multiple LED chips can be arranged on the flat base of the chip to improve the light output effect, that is, the light distribution characteristics, and maximize the light output ...

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PUM

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Abstract

The invention provides an LED lamp with a combination heat dissipation structure, comprising at least one LED chip, a driving circuit, a first base, a second base and a glass envelope, wherein the LED chips are used for generating light; the driving circuit is used for driving the LED chips; the first base is provided with a heat dissipating sheet; the second base is also provided with a heat dissipating sheet, arranged on the first base and contacted with the heat dissipating sheet of the first base; and the glass envelope is arranged on the first base and covered on the second base. The invention can well solve the problems of light output angle and light output uniformity, well protect the use safety of users and provide proper uniform illumination by improving a part structure for placing the LED chips and configuring the glass envelope, and besides, the invention ensures the property, the safety, and the like of the LED chips during working by efficiently conducting and dissipating heat generated by the LED lamp through two heat dissipating bases which are internally and externally connected.

Description

technical field [0001] The invention relates to a light-emitting diode (LED) lamp with a combined heat dissipation structure, in particular, an LED that improves the heat dissipation effect through conduction, convection and radiation by using the combined heat dissipation structure, and can improve the light output angle and uniformity of the LED lamp. Background technique [0002] With the rapid development of LED technology, LED light source has attracted more and more attention because of its outstanding features in environmental protection and energy saving. The current semiconductor LED lamps have high requirements for heat dissipation due to their small size and concentrated power consumption. How to solve the problem of efficient heat dissipation of LED lamps is still a major problem restricting the development of LED light sources. In order to solve the heat dissipation problem of LED lamps, many LED lamps currently on the market are mainly designed to dissipate h...

Claims

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Application Information

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IPC IPC(8): F21V29/00F21V23/00F21V15/02H01L33/00F21Y101/02
CPCF21K9/00F21Y2101/02F21K9/232F21V3/061F21V29/713F21V29/74F21Y2107/40F21Y2115/10
Inventor 张迎春谢玮孙清波钱海波
Owner PANASONIC CORP